120553505355 has 16 divisors (see below), whose sum is σ = 193602661920. Its totient is φ = 64056185088.

The previous prime is 120553505333. The next prime is 120553505393. The reversal of 120553505355 is 553505355021.

It is not a de Polignac number, because 120553505355 - 2⁵ = 120553505323 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14934442 + ... + 14942511.

It is an arithmetic number, because the mean of its divisors is an integer number (12100166370).

Almost surely, 2^120553505355 is an apocalyptic number.

120553505355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120553505355 is a deficient number, since it is larger than the sum of its proper divisors (73049156565).

120553505355 is a wasteful number, since it uses less digits than its factorization.

120553505355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29877230.

The product of its (nonzero) digits is 281250, while the sum is 39.

The spelling of 120553505355 in words is "one hundred twenty billion, five hundred fifty-three million, five hundred five thousand, three hundred fifty-five".